78Q2120 Teridian Semiconductor Corp. (TDK Semiconductor), 78Q2120 Datasheet - Page 20

• Manufacturer Part Number: 78Q2120
• Description: 10/100 Ethernet PHYS
• Manufacturer: Teridian Semiconductor Corp. (TDK Semiconductor)

DIGITAL OUTPUT CHARACTERISTICS
Pins of type O, I/O, OZ
DIGITAL TIMING CHARACTERISTICS
MII Transmit Interface
Output Voltage High
Output Voltage Low
Output Transition Time
Between V
CHARACTERISTICS
Setup Time: TX_CLK to
TXD[3:0], TX_EN, TX_ER
Hold Time: TX_CLK to
TXD[3:0], TX_EN, TX_ER
CKIN-to-TX_CLK Delay
TX_CLK Duty-Cycle
OL
and V
OH
SYMBOL
TX
TX
T
V
V
Transmit Inputs to the 78Q2120-64CGT
CKIN
T
CKIN
TX_CLK
TXD[3:0]
TX_EN
or
TX_ER
OH
OL
SU
HD
t
3.0V ≤ V
I
3.0V ≤ V
I
3.0V ≤ V
I
OH
OL
OH
, I
= 2.0mA
= 2.0mA
OL
CONDITIONS
TX SU
= 2.0mA
CC
CC
CC
20
≤ 3.6V
≤ 3.6V
≤ 3.6V
T CKIN
TX HD
V
CC
MIN
40
15
20
0
-0.4
Ethernet Transceiver
NOM
5
10/100BASE-TX
MAX
0.4
35
60
UNIT
ns
ns
ns
ns
%
V
V